H2H data updated: 2026-09-13 00:00 UTC

Mary Lou Piatek vs Andrea Leand H2H: 3-1

Mary Lou Piatek holds a 3–1 lead over Andrea Leand in their WTA head-to-head. Across 4 main-draw meetings, Mary Lou Piatek leads 2–1 on hard courts and 1–0 on carpet. Most recently, Mary Lou Piatek won the 1989 Washington Open round of 32 6-4 4-6 6-3.

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Mary Lou Piatek
USA
H2H
3 – 1
4 main-draw meetings
Andrea Leand
USA Age 62 Right-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mary Lou Piatek 6-4 4-6 6-3 Andrea Leand #195 Match data Feb 13, 1989 R32 Washington Open WTA 250 Hard
Mary Lou Piatek 7-6 5-7 7-5 Andrea Leand #48 Match data Jan 12, 1984* R32 Hershey WTA 250 Hard
Mary Lou Piatek 4-6 6-1 6-3 Andrea Leand Match data Jan 3, 1983 R16 Washington Open WTA 250 Carpet
Andrea Leand 6-4 6-1 Mary Lou Piatek Match data Oct 14, 1982* R32 Tampa WTA 250 Hard

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Mary Lou Piatek — — — 1,931 153 206 42.6% 0 0 0 0 2 2
Andrea Leand #857 #27 13 1,881 83 104 44.4% 0 0 0 0 1 1

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Mary Lou Piatek Andrea Leand
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1978 0–1 0.0% — 1,499 0 0 1981 4–3 57.1% — 1,563 0 0
1979 3–5 37.5% — 1,546 0 0 1982 29–22 56.9% — 1,812 0 0
1980 16–12 57.1% — 1,734 0 0 1983 17–18 48.6% — 1,784 0 0
1981 30–22 57.7% — 1,869 0 1 1984 19–18 51.4% #35 1,774 0 1
1982 18–21 46.2% — 1,791 0 1 1985 1–5 16.7% #33 1,681 0 1
1983 12–20 37.5% — 1,720 0 1 1986 0–3 0.0% #214 1,627 0 1
1984 18–20 47.4% — 1,703 0 2 1988 0–1 0.0% #296 1,607 0 1
1985 14–18 43.8% — 1,677 0 2 1989 3–7 30.0% #152 1,579 0 1
1986 8–15 34.8% — 1,618 0 2 1990 6–15 28.6% #142 1,516 0 1
1987 6–12 33.3% — 1,594 0 2 1991 4–9 30.8% #180 1,504 0 1
1988 6–16 27.3% — 1,542 0 2 1993 0–2 0.0% #341 1,473 0 1
1989 7–15 31.8% — 1,592 0 2 1994 0–1 0.0% #461 1,472 0 1
1990 8–11 42.1% — 1,611 0 2 — — — — — — —
1991 5–8 38.5% — 1,629 0 2 — — — — — — —
1992 1–8 11.1% — 1,559 0 2 — — — — — — —
1993 1–2 33.3% — 1,554 0 2 — — — — — — —

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Mary Lou Piatek Andrea Leand
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
1978 — — — — — — — — — — — — 0 1 1 0.0% 1981 4 2 6 66.7% 0 1 1 0.0% — — — — — — — —
1979 1 1 2 50.0% 0 1 1 0.0% — — — — 2 3 5 40.0% 1982 10 4 14 71.4% 7 4 11 63.6% 3 5 8 37.5% 9 8 17 52.9%
1980 5 3 8 62.5% 3 1 4 75.0% 0 2 2 0.0% 8 6 14 57.1% 1983 7 3 10 70.0% 5 5 10 50.0% 3 4 7 42.9% 2 6 8 25.0%
1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7% 1984 8 7 15 53.3% 3 2 5 60.0% 1 3 4 25.0% 7 6 13 53.8%
1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2% 1985 1 1 2 50.0% 0 2 2 0.0% 0 2 2 0.0% — — — —
1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9% 1986 0 1 1 0.0% 0 2 2 0.0% — — — — — — — —
1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4% 1988 0 1 1 0.0% — — — — — — — — — — — —
1985 7 11 18 38.9% 2 1 3 66.7% 1 2 3 33.3% 4 4 8 50.0% 1989 1 4 5 20.0% 0 1 1 0.0% — — — — 2 2 4 50.0%
1986 5 5 10 50.0% 0 2 2 0.0% 1 2 3 33.3% 2 6 8 25.0% 1990 3 6 9 33.3% 0 1 1 0.0% 3 3 6 50.0% 0 5 5 0.0%
1987 3 5 8 37.5% 0 2 2 0.0% 0 2 2 0.0% 3 3 6 50.0% 1991 3 5 8 37.5% 1 1 2 50.0% 0 1 1 0.0% 0 2 2 0.0%
1988 4 9 13 30.8% 1 4 5 20.0% 0 1 1 0.0% 1 2 3 33.3% 1993 0 2 2 0.0% — — — — — — — — — — — —
1989 7 9 16 43.8% 0 3 3 0.0% 0 2 2 0.0% 0 1 1 0.0% 1994 — — — — — — — — — — — — 0 1 1 0.0%
1990 4 5 9 44.4% 3 3 6 50.0% 0 1 1 0.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — —
1991 5 5 10 50.0% 0 2 2 0.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
1992 0 6 6 0.0% 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
1993 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career 75 85 160 46.9% 17 32 49 34.7% 12 29 41 29.3% 49 60 109 45.0% Career 37 36 73 50.7% 16 19 35 45.7% 10 18 28 35.7% 20 30 50 40.0%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Mary Lou Piatek Andrea Leand
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
1978 1499 106.8 — — — — — — — 0.0% -3.50 — — — -0.12 1981 1564 118.3 — — — — +112 — — 55.6% 0.00 2–2 (50%) 1–1 — +0.64
1979 1547 118.2 — — — — +97 — — 42.1% -0.89 1–2 (33%) 0–1 — +0.14 1982 1813 151.1 — — — — +80 -158 -211 58.6% +0.34 6–10 (38%) 7–4 (64%) 102.1 -2.70
1980 1735 137.7 — — — — +8 -158 — 55.7% +0.51 3–2 (60%) 1–0 — -0.18 1983 1785 132.5 — — — — +54 -45 -182 48.8% -0.18 7–7 (50%) 2–5 (29%) 99.5 -1.64
1981 1869 146.1 — — — — +63 -192 -295 56.7% +0.48 8–10 (44%) 6–5 (55%) 101.1 -3.04 1984 1775 142.9 — — — — +39 -6 -186 53.3% +0.21 6–10 (38%) 2–5 (29%) 91.3 -0.75
1982 1792 141.6 — — — — +56 -194 -210 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.7 -0.75 1985 1681 93.6 — — — — — — — 16.7% -2.92 — — — +0.61
1983 1721 143.7 — — — — +53 -86 — 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -3.81 1986 1628 92.6 — — — — — — — 0.0% -2.83 — 0–1 — +0.24
1984 1703 128.4 — — — — -13 — -69 47.7% -0.47 5–5 (50%) 4–3 (57%) 101.0 -0.69 1988 1608 97.4 — — — — — — — 0.0% -3.50 — — — +0.14
1985 1678 113.6 — — — — -29 -65 -67 43.1% -0.61 5–3 (63%) 1–3 (25%) 100.7 +2.10 1989 1579 123.9 — — — — +89 — — 34.8% -1.13 1–2 (33%) 1–2 (33%) 98.0 +0.47
1986 1618 111.0 — — — — +10 — -24 38.5% -0.67 2–4 (33%) 0–3 (0%) 95.5 +1.60 1990 1517 111.0 — — — — +34 — +59 29.2% -1.79 4–2 (67%) 1–1 — +0.82
1987 1594 117.2 — — — — +33 — — 35.7% -0.78 3–3 (50%) 0–1 — +0.29 1991 1505 113.3 — — — — +4 — — 34.6% -1.46 3–1 (75%) 1–0 — +0.52
1988 1542 116.2 — — — — +33 -43 — 30.8% -1.31 4–4 (50%) 0–2 — -0.55 1993 1474 94.7 — — — — — — — 0.0% -3.25 — — — +0.38
1989 1592 121.3 — — — — +35 -116 — 31.4% -1.65 5–2 (71%) 4–2 (67%) 107.3 -2.88 1994 1472 108.6 — — — — — — — 0.0% -4.50 — — — -0.32
1990 1611 125.3 — — — — +8 -85 — 43.9% -0.63 1–2 (33%) 0–2 — -0.44 — — — — — — — — — — — — — — — —
1991 1630 119.4 — — — — +17 — — 41.4% -0.31 1–2 (33%) 0–2 — -0.69 — — — — — — — — — — — — — — — —
1992 1560 101.4 — — — — -16 — — 23.8% -2.00 0–3 (0%) 0–2 — -0.39 — — — — — — — — — — — — — — — —
1993 1555 103.2 — — — — -22 — — 42.9% -0.71 0–1 1–0 — -0.16 — — — — — — — — — — — — — — — —
Career 1932 136.4 — — — — +26 -124 -154 43.9% -0.44 46–55 (46%) 19–34 (36%) 92.3 -2.67 Career 1882 138.5 — — — — +56 -85 -134 46.4% -0.44 29–34 (46%) 15–19 (44%) 98.3 -0.85

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.